Lock for an accessory mount



FIG. 1 is a left front isometric view of a lock for an accessory mount according to our new design; and,

FIG. 2 is a front view of the lock for an accessory mount shown in FIG. 1.

The broken lines show portions of the lock for an accessory mount that form no part of the claimed design. 

CLAIM The ornamental design for a lock for an accessory mount, as shown and described. 